package com.rran.study.designpattern.structural.decorator;

/**
 * @author yy
 * @Type PayParamsMsgService.java
 * @Desc
 * @date 2020/7/27 12:09
 */
public interface PayParamsMsgService extends PayService{

    //支付
    @Override
    void pay();
    //发站内信
    void sendMsg();
    //参数校验
    void checkParams();

}
